CN106745708A - A kind of compound type sludge bed reactor and its application - Google Patents
A kind of compound type sludge bed reactor and its application Download PDFInfo
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- CN106745708A CN106745708A CN201710054103.XA CN201710054103A CN106745708A CN 106745708 A CN106745708 A CN 106745708A CN 201710054103 A CN201710054103 A CN 201710054103A CN 106745708 A CN106745708 A CN 106745708A
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- sludge
- bed reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of compound type sludge bed reactor and its application, it is characterized in that, mainly include granule sludge reaction zone, suspended sludge area, aerobic reactor zone, three phase separator, gas-circulating system, treatment water circulation system；Compound type sludge bed reactor body sheathing material uses PMMA, body interior facility to sequentially consist of granule sludge reaction zone, suspended sludge area, aerobic reactor zone and three phase separator；Bottom of device is provided with raw sewage water inlet connection inlet water tank, and exhaust outlet is arranged at top, and three phase separator left side sets delivery port.Advantage：With apparatus function integration, the equipment such as backwash are removed, stir and circulate without setting sludge reflux, scum silica frost, easy to operate, floor space is small；The circulation in gas-solid-liquid three-phase is made full use of, mass-transfer efficiency is high, fouling membrane degree is small, and power consumption is few, and processing cost is low；Also, it is while organic wastewater is efficiently and stably processed, the recycling of bioenergy biogas is capable of achieving.
Description
Technical field
The present invention relates to a kind of compound type sludge bed reactor and its application, belong to technical field of sewage.
Background technology
In recent years, developing rapidly with industry, water pollution problems is increasingly serious, and substantial amounts of trade effluent is not up to standard
In the case of just enter natural water, be deposited in the middle of plant and soil, freshwater resources and health are caused greatly danger
Evil.
High concentrated organic wastewater is widely present in food, Leather Industry, dirty different from general municipal sewage and rural area
Water, high concentration organic sewage COD contents reach more than 2000mg/L, and BOD contents are relatively low, in water material with aromatic compound,
Nitride, sulfide etc. are in the majority, and aqueous body compositions are sufficiently complex, once can exist for a long time into natural water, transfer ability is strong,
Scope is wide, and intractability is big.
Traditional process for treating high-concentration sewage is divided into physics, chemistry, biological method, relates generally to concentration method, ozone oxygen
Change, electrochemical oxidation and aerobic activated sludge process etc., wherein in the majority with bioremediation.However, with the pollution in waste water
Thing composition is increasingly sophisticated, and simple aerobic activated sludge process cannot meet processing requirement, and it is small constantly to be possessed floor space,
Treatment effeciency Anaerobic biotreatment method high is replaced.Anaerobic Microbiological Treatment Technology principle is, using microorganism in anaerobism nutrition
Under the conditions of conditions and environment, decompose the large amount of organic in sewage and produce CH4、CO2The process of gas.Traditional anaerobism life
Thing reactor, mainly there is anaerobic biofilter, anaerobic fluidized bed, up flow anaerobic sludge blanket reactor etc..
The reasonable design of anaerobic biological reactor is to realize that high concentrated organic wastewater purifies one of complete key technology.So
And, there is problems with mostly absolutely in existing anaerobic biological reactor：
First, the water conservancy residence time is long, easily produces sludge bulking, and reactor plugs problem is serious；
2nd, required filtrate is relatively costly in reactor, and the startup time is more long, once destroyed need long time to recover；
3rd, biomembrane accumulation thickness is difficult to control to, transmission of the influence matrix in film directly results in reaction efficiency decline, device
Interior growth biomembrane is easily discharged reactor in the presence of current；
4th, substantial amounts of high concentrated organic wastewater cannot be processed.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, there is provided a kind of function integration is compound
Sludge bed reactor and technology of biological membrane have been carried out organic combination by sludge bed reactor, device, without set sludge reflux,
The equipment such as scum silica frost is removed, stirring, easy to operate, floor space is small；Make full use of the circulation in gas-solid-liquid three-phase, mass-transfer efficiency
Height, fouling membrane degree is small, and power consumption is few, and processing cost is low；Also, it, can be real while organic wastewater is efficiently and stably processed
The recycling of existing bioenergy biogas.
In order to solve the above technical problems, the present invention provides a kind of compound type sludge bed reactor, it is characterized in that, mainly include
Granule sludge reaction zone（3）, suspended sludge area（4）, aerobic reactor zone（5）, three phase separator, gas-circulating system（12）, place
Reason water circulation system（16）；Compound type sludge bed reactor body sheathing material uses PMMA, and body interior facility is from bottom to up
It is followed successively by granule sludge reaction zone, suspended sludge area, aerobic reactor zone and three phase separator；Bottom of device is provided with raw sewage water inlet
Mouthful（2）Connection inlet water tank（1）, exhaust outlet is arranged at top（11）, three phase separator left side sets delivery port.
Further, the granule sludge reaction zone is arranged on reactor bottom, includes a large amount of high-biomass activated sludge,
Biomass accounts for more than 80%, and sludge concentration scope is 40000-80000mg/L, raw sewage in the presence of suction pump, by bottom
Into reaction unit.
Further, the suspended sludge area top is provided with two triangle hydraulic barriers, is allowed to effective with other regions
Separate, triangle hydraulic barrier material selection polyvinyl chloride, sludge completes to precipitate in this region, by triangle hydraulic barrier and top
Separates two regions, sludge slides to device along bottom skew wall after precipitation and is being circulated reaction.
Further, the aerobic reactor zone inside in the middle part of reactor body is used with polyurethane foam as raw material
Suspension open column shape filler（7）, voidage is between 80-90%；Filler bottom is provided with micropore aeration pipe（6）As aerator；
PVC material partition-type baffle plates are installed at the top of aerobic zone（8）, prevent floating stuffing from blocking delivery port.
Further, the three phase separator on reactor body top, mainly by baffle plate（8）, gas collector（9）、
Collection chamber（10）Three parts constitute；Biogas produced by reaction is introduced into gas collector, and a part is carried out as bioenergy
Recycle, another part is in gas collecting pump（13）, flow control valve（14）In the presence of via gas-circulating system enter
To micropore aeration pipe as aerating gas.
Further, the three phase separator left side is provided with delivery port（15）, effect of the treatment water part in suction pump
Lower exclusion, another part is returned in Sludge Bed via treatment water circulation system from pipeline（17）Carry out recycling processing.
Further, application of the described compound type sludge bed reactor in sanitary sewage disposal.
The beneficial effect that the present invention is reached：
First, compound type sludge bed reactor can efficient stable organic wastewater of the treatment containing high concentration, COD clearances reach
More than 90%, and easy to be filmed, fouling membrane degree is small；
The 2nd, sludge reflux and device for transferring, scum silica frost removing, mixing plant need not be set, and apparatus structure is compact, and floor space is small,
Processing cost is low；
3rd, required energy consumption is far below other handling process, is not only able to carry out the recovery of biological energy source biogas, for generating electricity and firing
Burn, inside reactor filler is from the tailing in production process.
Brief description of the drawings
Fig. 1 is the workflow schematic diagram of compound type sludge bed reactor；
Fig. 2 is compound type sludge bed reactor to COD removal effects figure in sewage；
Fig. 3 is compound type sludge bed reactor to COD removal efficiency figure in sewage；
In figure 1 is inlet water tank, and 2 is water inlet, and 3 is granule sludge reaction zone, and 4 is suspended sludge area, and 5 is aerobic reactor zone, 6
It is aeration tube, 7 is suspension open column shape filler, and 8 is baffle plate, and 9 is collection chamber, and 10 is gas collector, and 11 is exhaust outlet, and 12 are
Gas-circulating system 13 is gas collecting pump, 14 be regulating valve, 15 is delivery port, and 16 is treatment water circulation system, and 17 is circulation
Water water inlet.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
Case study on implementation 1
As shown in figure 1, a kind of compound type sludge bed reactor, mainly include granule sludge reaction zone 3, suspended sludge area 4, aerobic
Reaction zone 5, treatment water circulation system 16, gas-circulating system 12.Described compound type sludge bed reactor body sheathing material
From PMMA, body interior facility sequentially consists of granule sludge reaction zone 3, suspended sludge area 4, the and of aerobic reactor zone 5
Three phase separator.Bottom of device is raw sewage water inlet 2, and exhaust outlet 11 is arranged at top, and three phase separator left side sets delivery port 15
With treatment water circulating pipe, right side is gas recycling duct.
The granule sludge reaction zone of bottom of device includes a large amount of high-biomass activated sludge, and biomass accounts for more than 80%, sludge
Concentration（MLSS）Scope is 40000-80000mg/L, and raw sewage enters reaction unit in the presence of suction pump by bottom.
The suspended sludge area 4 on grain sludge bed top should also referred to as settling zone, sludge completes to precipitate in this region, by triangular baffle with it is upper
Square separates two regions, sludge slides to device along bottom skew wall after precipitation and is being circulated reaction.Middle part it is aerobic anti-
The inside of area 5 is answered to use the Novel suspending open column shape filler 7 with polyurethane foam as raw material, lower section is provided with micropore aeration pipe work
It is aerator, aeration rate is 3.4L/min.Device top is three phase separator, mainly by baffle plate 8, gas collector 10, collection
The part of air chamber 9 three constitutes.Biogas produced by reaction is introduced into gas collector 10, and a part is reclaimed as bioenergy
Utilize, another part enters into micropore aeration pipe 6 as exposure in the presence of gas collecting pump 13 via gas-circulating system 12
Gas gas.Three phase separator left side is provided with delivery port 15, and a treatment water part is excluded in the presence of suction pump, another part warp
By treatment water circulation system 16, being returned in Sludge Bed from pipeline carries out recycling processing.
Case study on implementation 2
Compound type sludge bed reactor removes example to high concentration organic sewage：Respectively in compound type sludge bed reactor bottom
Import and export with left side are sampled, and a water sample was taken at interval of 25 days, and import and export take 6 groups of repetition water samples, reaction unit respectively
Operation terminates after 200 days.Water sample is refrigerated in needing to be put into refrigerating chamber before the experiment after taking, and after dilution, COD indexs are used water sample
AAS is measured, and measured each index is averaged respectively.
Shown in detailed case study on implementation result as Fig. 2,3,200 days in continuous service of the new type compound sludge bed reactor
In to COD in sanitary sewage, average removal rate respectively more than 90%, purification efficiency stabilization, effluent quality is excellent.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of compound type sludge bed reactor, it is characterized in that, mainly include granule sludge reaction zone, suspended sludge area, aerobic
Reaction zone, three phase separator, gas-circulating system, treatment water circulation system；Compound type sludge bed reactor body sheathing material
Using PMMA, body interior facility sequentially consists of granule sludge reaction zone, suspended sludge area, aerobic reactor zone and three-phase
Separator；Bottom of device is provided with raw sewage water inlet connection inlet water tank, and exhaust outlet is arranged at top, and three phase separator left side sets water outlet
Mouthful.
2. a kind of compound type sludge bed reactor according to claim 1, it is characterized in that, the granule sludge reaction zone sets
To put in reactor bottom, include a large amount of high-biomass activated sludge, biomass accounts for more than 80%, sludge concentration scope is 40000-
80000mg/L, raw sewage enters reaction unit in the presence of suction pump by bottom.
3. a kind of compound type sludge bed reactor according to claim 1, it is characterized in that, the suspended sludge area top peace
Equipped with two triangle hydraulic barriers, it is allowed to effectively be separated with other regions, triangle hydraulic barrier material selection polyvinyl chloride is dirty
Mud completes to precipitate in this region, is spaced by triangle hydraulic barrier and upper area, and sludge slides after precipitation along bottom skew wall
Reaction is being circulated to device lower section.
4. a kind of compound type sludge bed reactor according to claim 1, it is characterized in that, it is described in the middle part of reactor body
Aerobic reactor zone inside uses the suspension open column shape filler with polyurethane foam as raw material, and voidage is between 80-90%；
Filler bottom is provided with micropore aeration pipe as aerator；PVC material partition-type baffle plates are installed at the top of aerobic zone, prevent from suspending
Filler blocks delivery port.
5. a kind of compound type sludge bed reactor according to claim 1, it is characterized in that, reactor body top it is described
Three phase separator, is mainly made up of baffle plate, gas collector, the part of collection chamber three；Biogas produced by reaction is introduced into gas
Collector a, part is recycled as bioenergy, and another part is in the presence of gas collecting pump, flow control valve
Micropore aeration pipe is entered into as aerating gas via gas-circulating system.
6. a kind of compound type sludge bed reactor according to claim 1, it is characterized in that, the three phase separator left side sets
There is delivery port, a treatment water part is excluded in the presence of suction pump, and another part is returned via treatment water circulation system from pipeline
Returning in Sludge Bed carries out recycling processing.
7. application of the compound type sludge bed reactor described in claim 1-6 any one in sanitary sewage disposal.
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| CN201710054103.XA CN106745708A (en) | 2017-01-24 | 2017-01-24 | A kind of compound type sludge bed reactor and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255827A (en) * | 2019-07-08 | 2019-09-20 | 华北理工大学 | The treatment process and system for use in carrying of antibiotic waste water |
| CN110407410A (en) * | 2019-07-31 | 2019-11-05 | 华南理工大学 | A kind of wastewater treatment equipment and its method based on biofilm particles sewage sludge reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255827A (en) * | 2019-07-08 | 2019-09-20 | 华北理工大学 | The treatment process and system for use in carrying of antibiotic waste water |
| CN110255827B (en) * | 2019-07-08 | 2021-11-30 | 华北理工大学 | Antibiotic wastewater treatment process and system |
| CN110407410A (en) * | 2019-07-31 | 2019-11-05 | 华南理工大学 | A kind of wastewater treatment equipment and its method based on biofilm particles sewage sludge reactor |
| CN110407410B (en) * | 2019-07-31 | 2024-04-26 | 华南理工大学 | Wastewater treatment device and method based on biomembrane particle sludge reactor |
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Application publication date: 20170531 |